Chair



FIG. 1 is a front perspective view of a chair, in which the phantom lines illustrate a chair base;

FIG. 2 is a front elevation view of the chair;

FIG. 3 is a left side elevation view of the chair;

FIG. 4 is a back elevation view of the chair;

FIG. 5 is a right side elevation view of the chair;

FIG. 6 is a top view of the chair; and,

FIG. 7 is a bottom view of the chair.

The broken lines represent environment only and form no part of the claimed design. 

CLAIM The ornamental design for a chair, as shown and described. 